Kohlrabi, 10 benefits and side effects Kohlrabi is a cruciferous vegetable that has recently gained popularity due to its potential health benefits. Kohlrabi is a low-calorie vegetable rich in fiber, vitamin C, and potassium. Helps with weight management, digestion and heart health. However, some people experience gas, bloating, and allergic reactions. effect: This blog post discusses 10 benefit..